<!doctype html>
<html>
	<head>
	<meta http-equiv = "content-type" content = "text" charset="utf-8"/>
	<meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0;" name="viewport" />
    <link rel = "stylesheet" type = "text/css" href = "lasers.css"/>
	</head>
	<body>
		<div class="canvas-style">
			<!-- 画布必须设置宽高 -->
	     <canvas class="lasers-canvas" id = "lasers" width="1366" height="768"></canvas>
		</div>
	<script src = "lasers.js"></script>
	</body>
	</html>